11. Fair Value measurements (Details-Fireside receivables) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Contractual Balance [Member]
Fair values of the Fireside receivables and the related secured debt to their contractual balances
Fireside receivables portfolio	$ 316	$ 1,664
Debt secured by Fireside receivables portfolio	0	0
Fair Value [Member]
Fair values of the Fireside receivables and the related secured debt to their contractual balances
Fireside receivables portfolio	316	1,664
Debt secured by Fireside receivables portfolio	$ 0	$ 1,250